Heavy duty commercial

• ANSI/BHMA A156.3-2014 Grade 1
• UL305 Listed for Panic Hardware
• UL/cUL Listed for up to 3 hours for "A" labeled doors up to 10' in height
• UL10C Positive Pressure Rated
• UL10B Neutral Pressure Rated
• Complies with ANSI A117.1 for accessible buildings and facilities

Stainless steel, Zinc

• Hex key dogging standard on panic rated devices
• Cylinder dogging available on panic rated devices - specify "CD". 3902 Mortise cylinder with standard cam sold separately. Cylinder Length of 1-1/8" (29mm) - 1-3/8" (35mm) is required.

1-3/4" (44 mm) - Standard

• 36" (914mm) field sizeable to 30" (762mm) panic-rated door and 28" (71 mm) fire-rated door
• 48" (1219mm) field sizeable to 36" (914mm) panic- or fire-rated door
• Reference electrified exit device for door width specifications

• Standard end cap (zinc)
• OPTIONAL Flush end cap (zinc)

• Wood and machine screws
• Thru-bolts

• US3, US4, US10B, US26, US26D, US32D, BLK
• Trim is not available in US32D

4501N: MN, 03 - key retracts latchbolt

3/4" (19mm) throw with anti-friction tongue, all stainless steel with auxiliary deadlocking latch

Recommended to be used on appropriately reinforced doors

Grade 1 Mortise Lock Exit Device Night Latch

• 3" (76mm) in undogged position
• 2-5/8" (67mm) in dogged position

• 4-1/2" (114mm)
• All stile widths are measured from the door edge

• 4-7/8" (124mm) ASA strike-standard
• Stainless steel with plated rollers included standard with panic devices

• Archer, August, William or Withnell lever with escutcheon (3902, 1-5/8" cylinder with standard cam sold separately)
• Mortise cylinder (1-3/8") with cylinder collar (11/16") x optional pull
• Mortise trim (45MN) does not match center line of other 4500, Series trim ( 45BE, 45CE, 45DT, 45NL)

Lifetime